#include "widget.h"

#include <QApplication>
//QPainter绘画者类 QPen画笔类 QBrush画刷类 QPixmap绘制图片类 旋转坐标轴/绘图者&平移坐标轴
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Widget w;
    w.show();
    return a.exec();
}
